[PATCH v2 05/11] shell32/autocomplete: Prevent txtbackup from being NULL to simplify the code

[Gabriel Ivăncescu]

Signed-off-by: Gabriel Ivăncescu 
---
 dlls/shell32/autocomplete.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dlls/shell32/autocomplete.c b/dlls/shell32/autocomplete.c
index b5a165c..2630517 100644
--- a/dlls/shell32/autocomplete.c
+++ b/dlls/shell32/autocomplete.c
@@ -469,6 +469,10 @@ static HRESULT WINAPI IAutoComplete2_fnInit(
         return This->hwndEdit ? E_FAIL : E_UNEXPECTED;
     }

+    /* Prevent txtbackup from ever being NULL to simplify the code */
+    if ((This->txtbackup = heap_alloc_zero(sizeof(WCHAR))) == NULL)
+        return E_OUTOFMEMORY;
+
     if (FAILED (IUnknown_QueryInterface (punkACL, &IID_IEnumString, (LPVOID*)&This->enumstr))) {
         WARN("No IEnumString interface\n");
         return E_NOINTERFACE;